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Ariston Bulb Thermostat Aquabravo ITSI 215/255/305L 60001803

Ariston

Ariston Bulb Thermostat Aquabravo ITSI 215/255/305L 60001803

Ariston bulb thermostat 60001803 for Aquabravo ITSI 215, 255 and 305 litre unvented cylinders, controlling stored water temperature.

At a glance

  • Part type: Bulb thermostat
  • Appliance family: Aquabravo ITSI unvented hot water cylinders
  • Also known as BULB-THERMOSTAT, 265075904408, 8901297
Manufacturer part no.
60001803
Showing prices

£80.38

£66.98 ex. VAT · VAT at 20%

In stock
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Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Ariston Bulb Thermostat 60001803 is a temperature-sensing thermostat with a capillary bulb, used to control the stored water temperature in Ariston Aquabravo ITSI unvented hot water cylinders. The sensing bulb locates in the cylinder thermostat pocket and the thermostat switches the heat source on and off as the water reaches the set point. It is supplied by Ariston as a replacement thermostat for the Aquabravo ITSI range.

Signs this part needs replacing

  • Stored hot water sits consistently above or below the temperature set on the control
  • The heat source does not cut out when the cylinder reaches its set point
  • Hot water temperature swings noticeably between draws
  • The cylinder continues to heat after the thermostat should have switched off
  • Scale or corrosion is visible on the sensing bulb, slowing its response

Before you order

  • Confirm the cylinder model and capacity — 215, 255 or 305 litre — against the compatibility list
  • Match part number 60001803 against the marking on the existing thermostat or the cylinder data plate
  • Inspect the thermostat pocket and its sealing washer for scale or damage before fitting the new bulb
  • Isolate the electrical supply before work and follow the manufacturer's commissioning procedure on unvented cylinders after replacement

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.